三頭筋
abdominal
adult
athlete
athletic
aucasian
biceps
body
bodybuilder
bodybuilding
builder
championship
chest
compete
competition
diet
effort
exercise
feet
fitness
group
hand
horizontal
legs
male
man
masculinity
most
muscles
muscular
pectoral
pose
posing
professional
quadriceps
real
shape
sixpack
sport
strong
suntan
tan
torso
training
young